Advice needed r.e. brake disc scoring

[Phooey]

Car and discs only done 600 miles (3 weeks old) but i have just noticed this deep gorge on the front passenger side disc. Doesn't look normal or good to me







right click should enlarge pic

[Trev450]

Definately not normal. Looks as if you may have picked up a stone that got trapped between the caliper and the disk.

[Sunnysidebb]

Who fitted them. If not you take the car back asap.
Thats not normal. looks like something is stuck in between the pads and disc.

[Martian O]

Sunnysidebb said:

Who fitted them.

New car Frank!

[MMT]

Have you heard it screeching like fook at all?

[Phooey]

Ok, just spoke to Chris on service at Porsche Leicester who has been fab - he said bring it in anytime this morning and he will ask one of the techs to whip the wheel off and check and clean the caliper, and if i can't make it in before 12.30 - swap it for one of their other cars for the weekend. It looks like a stone had got wedged. I had just come out of the petrol station (which has got plenty of loose stones due to road works) and when i pressed the brakes it admittedly felt strange, hence why i had just checked the car over. I had the music on so didn't really hear anything. Car seems to drive ok now though, so hoping the stone has fked off :rant:

Cheers all, and a big thumbs up to OPC Leicester.

[Sunnysidebb]

MMT said:

Have you heard it screeching like fook at all?

Oh $hit

Definitely back to the dealer then. But I suppose they will only say it happened after you bought the car. But I recon there is a bit of metal stuck in the pad or even a Pad defect. The car is new so there is no way an abject could get between the pad and disc that would cause that much damage. Its not like the score is over a hole where a bit of grit or something could get lodged. Its almost at the top of the disc. So there is no clearance for any foreign object to get in between once the Calipers have been fitted. It could only have happened whilst being put together at the factory. IMO anyway.
Whatever, the calipers will have to be removed and the pads checked and replaced. If worst comes to the worst I dont think the discs are knacked. Thats ok if the car is old and you replaced the pads and discs. But the car is new.Are you willing to except scored discs. If like me, probably not.

Hope the dealer sorts it. I cant see why not

Edited by Sunnysidebb on Saturday 16th April 09:58

[_gez_]

Looks like you can see something that shouldn't be there in this pic. Inside the yellow circle.

[Phooey]

Sunnysidebb said:

Oh $hit

Definitely back to the dealer then. But I suppose they will only say it happened after you bought the car. But I recon there is a bit of metal stuck in the pad or even a Pad defect. The car is new so there is no way an abject could get between the pad and disc that would cause that much damage. IMO anyway.
Whatever, the calipers will have to be removed and the pads checked and replaced. If worst comes to the worst I dont think the discs are knacked. Thats ok if the car is old and you replaced the pads and discs. But the car is new.Are you willing to except scored discs. If like me, probably not.

Hope the dealer sorts it. I cant see why not

I'm 99.9% certain now that it was the loose surface i had just driven over. The couple of times after when i pressed the brakes it felt strange. Funnily enough after i put it in reverse and used the brakes it seems ok now. Chris insists i pop it in anyway and if at worst it needs a disc he will apply some goodwill to it

[Sunnysidebb]

_gez_ said:

Looks like you can see something that shouldn't be there in this pic. Inside the yellow circle.

Well noticed, just blown the picture up. Does look like something doesn't it.

[Phooey]

_gez_ said:

Looks like you can see something that shouldn't be there in this pic. Inside the yellow circle.

Bloody well spotted. Just taken a look with a fine-tooth-comb and that object is not there now. How bizarre.

[Phooey]

Phooey said:

_gez_ said:

Looks like you can see something that shouldn't be there in this pic. Inside the yellow circle.

Bloody well spotted. Just taken a look with a fine-tooth-comb and that object is not there now. How bizarre.

Doh! it was the camera angle. It is a the start of a groove

[Sunnysidebb]

Phooey said:

Phooey said:

_gez_ said:

Looks like you can see something that shouldn't be there in this pic. Inside the yellow circle.

Bloody well spotted. Just taken a look with a fine-tooth-comb and that object is not there now. How bizarre.

Doh! it was the camera angle. It is a the start of a groove

Do you think thats the start of a vent hole that looks like an object? I didnt think they drilled any further up ??

Have you been out and had another look??

[Phooey]

Sunnysidebb said:

Phooey said:

Phooey said:

_gez_ said:

Looks like you can see something that shouldn't be there in this pic. Inside the yellow circle.

Bloody well spotted. Just taken a look with a fine-tooth-comb and that object is not there now. How bizarre.

Doh! it was the camera angle. It is a the start of a groove

Do you think thats the start of a vent hole that looks like an object? I didnt think they drilled any further up ??

Have you been out and had another look??

Yep, its deffo another drill hole. Doesn't go all the way through like the other holes but is like a half drilled hole. If that makes sense. There are a few of them towards the top outer edge of the disc. From first (lazy) look i didn't notice it and thought it must of been an object which had gone, but after having a second look - it is deffo a drill hole.

[Phooey]

Sunnysidebb said:

Do you think thats the start of a vent hole that looks like an object? I didnt think they drilled any further up ??

Have you been out and had another look??

This is what i mean...

[Sunnysidebb]

I wonder if thats a bit of swarf got stuck between the pads after the disc was drilled??

[Phooey]

Sunnysidebb said:

I wonder if thats a bit of swarf got stuck between the pads after the disc was drilled??

Dunno mate. Looking on the bright side of things - it adds a bit more ventilation i suppose



Glad it wasn't on my previous GT3 with PCCB'S . Certainly makes you think.

[drmark]

A common problem with the GTS Phooey - discs made in Croatia to cut costs to pay for all those free extras!

[Phooey]

drmark said:

A common problem with the GTS Phooey - discs made in Croatia to cut costs to pay for all those free extras!

Yes indeed. Do you think one of those poor child-workers dropped a baby-tooth into the pad compound by accident

[Manks]

Phooey said:

Car and discs only done 600 miles (3 weeks old) but i have just noticed this deep gorge on the front passenger side disc. Doesn't look normal or good to me







right click should enlarge pic

If I were you I'd pop the wheel off and have a look.... oh sorry I was forgetting...